Fix macOS Keychain support

[philippzagar]

Fix macOS Keychain support

♻️ Current situation & Problem

As of now, the LocalStorage and SecureStorage doesn't properly work on macOS as one requires additional keychain settings and entitlements.

⚙️ Release Notes

• Fix macOS platform support by adding proper entitlements and attributes to keychain queries

📚 Documentation

Added docs for entitlements and keychain queries

✅ Testing

UI tests are passing

📝 Code of Conduct & Contributing Guidelines

By submitting creating this pull request, you agree to follow our Code of Conduct and Contributing Guidelines:

• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.06%. Comparing base (eaed222) to head (43e93b7).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #19      +/-   ##
==========================================
+ Coverage   91.65%   92.06%   +0.41%     
==========================================
  Files           6        6              
  Lines         431      453      +22     
==========================================
+ Hits          395      417      +22     
  Misses         36       36              

Files	Coverage Δ
Sources/SpeziSecureStorage/SecureStorage.swift	93.97% <100.00%> (+0.64%)	⬆️

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[PSchmiedmayer]

Nice; thank you for the fix on macOS 🚀